[U-Boot] [PATCH v2 6/6] driver: net: fsl-mc: Add support of multiple phys for dpmac

Joe Hershberger joe.hershberger at ni.com
Mon Jul 30 21:43:46 UTC 2018


On Mon, Jul 30, 2018 at 8:15 AM, Pankaj Bansal <pankaj.bansal at nxp.com> wrote:
> Till now we have had cases where we had one phy device per dpmac.
> Now, with the upcoming products (LX2160AQDS), we have cases, where there
> are sometimes two phy devices for one dpmac. One phy for TX lanes and
> one phy for RX lanes. to handle such cases, add the support for multiple
> phys in ethernet driver. The ethernet link is up if all the phy devices
> connected to one dpmac report link up. also the link capabilities are
> limited by the weakest phy device.
>
> i.e. say if there are two phys for one dpmac. one operates at 10G without
> autoneg and other operate at 1G with autoneg. Then the ethernet interface
> will operate at 1G without autoneg.
>
> Signed-off-by: Pankaj Bansal <pankaj.bansal at nxp.com>

Acked-by: Joe Hershberger <joe.hershberger at ni.com>


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